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Finding the Fourth Proportional to 36,768.60, 54,737.10 and 36,549.90

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Solution

The fourth proportional to 36,768.60, 54,737.10 and 36,549.90 is: 54,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,768.60 : 54,737.10 = 36,549.90 : x
  2. Step 2: Convert to fraction form
    36,768.60/54,737.10 = 36,549.90/x
  3. Step 3: Cross multiply
    36,768.60x = 54,737.10 × 36,549.90
  4. Step 4: Simplify right side
    36,768.60x = 2,000,635,531.29
  5. Step 5: Solve for x
    x = 2,000,635,531.29/36,768.60
  6. Step 6: Final answer
    x = 54,411.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.